Signalling panel meter



FIG. 1 is a front top perspective view of a signalling panel meter showing my new design in full lines with the broken lines showing environmental matter, in the form of scale markings, is for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top plan view thereof showing my new design in full lines with the broken lines showing environmental matter, in the form of scale markings, is for illustrative purposes only and forming no part of the claimed design;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a bottom perspective view thereof. 

The ornamental design for a signalling panel meter, as shown. 